SailNet Community - View Single Post - Prop shaft material
View Single Post
  #4  
Old 12-05-2012
Waltthesalt Waltthesalt is offline
Senior Member
 
Join Date: Sep 2009
Location: Kingston Washington
Posts: 506
Thanks: 0
Thanked 2 Times in 2 Posts
Rep Power: 5
Waltthesalt is on a distinguished road
Re: Prop shaft material

The stainless normally used is 304 and at 1 1/4 diameter that should be well strong enough with a safety factor well over three. A more common material is tobin bronze which has about the same yield strength but is more elastic. High strength alloys include Aquamet 22, 18 and 17; Monel 400 and K500 But they're overkill for your situation. more for special situations.
__________________
Walt Elliott
Kingston WA
Puget Sound
Cal-29
Reply With Quote Share with Facebook